B1345 - Heated Rear Window Input Short To Ground

B1345 - Heated Rear Window Input Short To Ground

B1345-1 - Check Circuit

- Disconnect lighting control module connector C2.
- Measure resistance between pin C2-18, circuit 1010 (DB/O) Town Car or circuit 688 (GY/LB) Crown Victoria, Grand Marquis and ground.

Is resistance less than 10K ohms?

YES SERVICE short to ground in circuit 1010 (DB/O) or circuit 688 (GY/LB). RESTORE vehicle. REPEAT self test.
NO REPLACE lighting control module. RESTORE vehicle. REPEAT self test.